Question

Find the value of a; if x-a is a factor
of p(x) = x^3-ax^2+ 2x +a-1


please give answer fast​

Answer 1

Answer:

a=1/3

Step-by-step explanation:

p (x)=x^3-ax^2+2x+a-1

x-a=0

x=0+a

x=a

p (a)=a^3-a×a^2+2a+a-1=0

=a^3-a^3+3a-1=0

=3a-1=0

=3a=1

=a=1/3